PSN-L Email List Message

Subject: RE: Specs for Lehman type sensor
From: "Steve Hammond" shammon1@.............
Date: Mon, 21 Jan 2008 21:43:13 -0800

Hi Jon, Here is a good place to start.  And here are some photos you =
look at of a Lehman I built to help get you going. And yes, you can use led.
Scroll to the bottom of the page in the last URL and you will see the =

Regards, Steve Hammond, PSN Aptos, California.

-----Original Message-----
From: psn-l-request@.............. [mailto:psn-l-request@............... =
Behalf Of jonfr@.........
Sent: Monday, January 21, 2008 10:32 AM
To: psn-l@..............
Subject: Specs for Lehman type sensor

Hi all

I am looking for specs for Lehman type sensor. As I can build a lehman =
sensor in my school with an help.

However, the specs I already aren't good, so I need better onces. If =
has them ready. If no one has them, I need to write them up my self.

I need the size and length in cm. I also need a suggestion for the =
needed for the mass, I was thinking about using led. But I don't know =
good idea that is. For the base of the sensor I was thinking about using

Please send this to my main email address, jonfr [at]

Thanks in advance.

J=F3n Fr=EDmann.


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